“Sky mirror” attraction in quanhu park in Guiyang city, China on August 16, 2019 attracts many tourists to take photos. Located at the top of the park, the scenic spot is a circular pool with a diameter of about 8 meters and a depth of about 10 centimeters, just like a huge mirror reflecting the sky, white clouds, tall buildings and other scenery. (Photo by Liu Chaofu/Zuma Press/Xinhua News Agency)
